Lenovo showed us its first-gen foldable-display laptop, the X1 Fold, back in 2019. It was pretty futuristic at the time and was still so when it finally became available in late 2020. Fast forward another couple of years and the tech is still just as striking – and forward-looking – as it was back then. But does anyone need a laptop with a flexible OLED screen? Or is the X1 Fold a high-tech solution to a non-existent problem?